monitor

(verb) To observe and check something regularly over a period of time. (noun) A device for observing, checking, or keeping a record.

• monitoring/ˈmɒnɪtərɪŋ/(n)监测；监控
• monitor/ˈmɒnɪtə/(n)监视设备；班长

• monitor progress
• monitor performance
• closely monitor
• monitor conditions
• under constant monitoring
• monitor for signs of

1. 1.The patient's heart rate and blood pressure were monitored continuously throughout the procedure.
2. 2.We monitor the system 24/7 to detect any unusual activity or performance degradation.

• track/træk/— follow the progress of
• observe/əbˈzɜːv/— watch carefully
• oversee/ˌəʊvəˈsiː/— supervise; watch over

from Latin "monitor" = one who reminds or warns, from "monere" (to warn)